MALICIOUS
142
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and an ML classifier returned a high probability of maliciousness. The heuristics indicate it functions as a link farm with disposable hosting and contains urgency lures and download buttons, suggesting a phishing or malware distribution attempt. While no scripts were extracted, the overall structure and detection results point to a malicious document designed to trick users into downloading further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9985
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL http://holdemigny.fr/ckfinder/userfiles/files/72654946191.pdf In PDF document text
- https://tidurmalam.com/contents/files/13943740019.pdfIn PDF document text
- https://lenaoyunlar.com/calisma2/files/uploads/tupig.pdfIn PDF document text
- https://kermoulin.com/userfiles/file/podebavisunibibov.pdfIn PDF document text
- http://ossokahve.com/upload/file/watuxogufujepubovivuvenib.pdfIn PDF document text
- https://basundharamart.com/userfiles/file/87691708235.pdfIn PDF document text
- http://pk-rowery.pl/user_pict/file/jididagaj.pdfIn PDF document text
- http://generoussecurity.com/uploads/dinulugapuwajixez.pdfIn PDF document text
- http://betheaskssd.com/flash/betheaskssd.com/file/pofukotufogotorusarezexo.pdfIn PDF document text
- https://pchome.uzai.ca/upload/files/luliloxip.pdfIn PDF document text
- http://lblussana.it/images/file/5439169190.pdfIn PDF document text
- https://hoatuoi360.vn/uploads/files/pefowojupagi.pdfIn PDF document text
- http://arcomproltd.com/userfiles/file/tifubezelafebit.pdfIn PDF document text
- https://www.carlosfunes.es/wp-content/plugins/formcraft/file-upload/server/content/files/1613727a187d3a---31654960975.pdfIn PDF document text
- http://huijingweb.com/upload_fck/file/2021-9-8/20210908034830277118.pdfIn PDF document text
- https://perfecthospitals.org/FCKeditor/file/mazafanokurilowenitigidin.pdfIn PDF document text
- https://privatecambodiatour.com/userfiles/file/koropadamafuve.pdfIn PDF document text
- http://tehpromyar.ru/media/file/28179358238.pdfIn PDF document text
- http://triatlonbizuterie.cz/sites/default/files/file/buwukisibuxetiwik.pdfIn PDF document text
- http://softtox.pl/new/userfiles/file/90755238901.pdfIn PDF document text
- http://tofuyatogo.com/uploads/files/mozad.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=tagged+meet+chatPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d43d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD43D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ec54.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC54 | 10148 bytes |
SHA-256: af34ba4fde2dc170213721486fae04a87e7f8c25e967985f94c3dae8560e2097 |
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font_02_sfnt_off000102cf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x102CF | 17252 bytes |
SHA-256: 676d0e99b223150b9c4f909e898fdeaf70b8ab1c22d198fffb7c04e7a002a8e3 |
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